Monorail Gantry Crane

 

 

Monorail Gantry Crane is mainly composed of gantry, lifting trolley, trolley running mechanism, driver's cab and electrical control system. The gantry is a box-shaped single main beam structure, and the main beam adopts a skewed track form, which has good rigidity and stability and is suitable for lifting weights below 20 tons. The lifting trolley adopts a vertical reverse roller type or a horizontal reverse roller type design according to the different lifting weights to ensure the stability and safety of the operation. The driver's cab is equipped with adjustable seats, insulating pads laid on the bottom plate, tempered glass windows, etc., and can be equipped with cold and warm air conditioners, sounders, intercoms and other items as needed to provide a comfortable operating environment. The power supply mode has two forms: cable drum and high-altitude sliding line to meet the power supply needs under different working conditions.

The Monorail Gantry Crane has a simple structure, is easy to manufacture and install, is light in weight, has good wind resistance, and is suitable for rapid deployment and use. Compared with double-beam gantry cranes, Monorail Gantry Crane have lower costs and are suitable for occasions with limited budgets. Due to its structural flexibility, Monorail Gantry Crane can adapt to different working environments and requirements.

3. With the development of technology, single-girder gantry cranes are gradually moving towards intelligence, and by introducing more intelligent functions, they can improve operating efficiency and safety. In order to meet the needs of different users, future single-girder gantry cranes will provide more customized options, including functions, sizes and configurations. The improvement of environmental awareness will prompt single-girder gantry cranes to pay more attention to energy conservation, emission reduction and sustainable development during the design and manufacturing process.

Core Components:PLC, Bearing, Gearbox, Motor, Gear

Condition:New

Warranty:1 Year

Weight (KG):500 kg

Feature:Gantry Crane

Color:Customized

Capacity:1-20t

Type:Single Girder

Power supply:110V/220V/230V/380V/440V

Control Method:Ground Control+ Remote Control (customized)

Lifting mechanism:Eliectric Hoist

Work Duty:A3-A4

Pictures & Components

1.Main beam

1. The main beam of a Monorail Gantry Crane usually adopts a skewed box-shaped frame structure, which is convenient to manufacture and install, and has a small mass. The material selection of the main beam has a direct impact on its performance. Commonly used materials include high-quality carbon structural steel, etc., which can ensure that the main beam has sufficient strength and rigidity.

2. The main beam is the main load-bearing component of the crane, and it needs to bear the lifting load as well as its own weight. Therefore, the design of the main beam must take into account sufficient safety factors to ensure that it will not break or plastically deform even under the most unfavorable working conditions. The stability of the main beam is crucial to ensure the normal operation of the crane. If the stability of the main beam is insufficient, it may cause the crane to shake or tilt during use, thereby affecting the accuracy and safety of the operation.

3. By parametric modeling and finite element analysis of the main beam, it can be optimized to improve its performance and reduce costs. The static characteristic analysis of the main beam can understand its stress distribution and deformation under the action of the working load, while the dynamic characteristic analysis helps to understand the response of the main beam under external excitation, which is of great significance for improving the working efficiency and safety of the crane.

Lifting System

1. Working principle

Power transmission: The motor is connected to the high-speed shaft of the reducer through a coupling, and the low-speed shaft of the reducer drives the drum to rotate. The wire rope is wound on the drum and connected to the sling device through a pulley block.

Lifting operation: When the motor rotates forward or reverse, the drum rotates accordingly, and the wire rope is wound in or out, thereby realizing the lifting and lowering movement of the sling and the load.

Safety limit: The limit device prevents the hook from hitting the top, ensuring that the hook can only go down and not rise after reaching a certain height, thereby ensuring the safety of the operation.

2. Technical features

High efficiency: The lifting mechanism can quickly and accurately complete the lifting and lowering operations of the goods, improving work efficiency.

Safety: It is equipped with a variety of safety devices, such as brakes, overload limiters, etc., to ensure safety during the operation.

Adaptability: According to different operation requirements, different types of picking devices can be selected to adapt to different types and forms of materials.

 

3.End carriage

1. Basic structure

Material: The end beam is usually made of high-strength steel to ensure sufficient strength and stability.

Structural form: The design of the end beam is diverse, and can be a box-type or truss structure, depending on the load-bearing requirements and working environment of the crane.

2. Main functions

Supporting function: The end beam is the basic support of the crane, bearing the weight of the crane and the weight of the hoisted objects.

Connecting function: The end beam is connected to the main beam, outriggers and other components to form a complete portal frame structure to ensure the overall stability of the crane.

3. Design features

Wheelbase design: The wheelbase design of the end beam needs to meet the stability requirements of the gantry along the direction of the crane track, while taking into account the external dimensions and passability of the cargo.

Cantilever length: In order to expand the operating range, the end beam can be designed with an outrigger cantilever to increase the flexibility of the crane.

 

 

4.Crane travelling mechanism

1. Working principle

Power transmission: The motor is connected to the high-speed shaft of the reducer through a coupling, and the low-speed shaft of the reducer drives the wheels to rotate.

Horizontal movement: The wheels roll on the track, driving the entire crane to move horizontally along the track direction.

2. Technical features

High efficiency: The crane running mechanism can quickly and accurately complete the horizontal movement of the crane, improving work efficiency.

Stability: Through reasonable design and material selection, the stability and safety of the crane during horizontal movement are guaranteed.

Adaptability: According to different operating requirements, different types of drive devices and transmission devices can be selected to adapt to different working environments.

 

5.Trolley travelling mechanism

1. Basic composition

Drive device: Usually an electric motor is used as the power source, which is connected to the high-speed shaft of the reducer through a coupling.

Transmission device: It includes a reducer, a coupling and a transmission shaft, etc., which are used to transmit the power of the motor to the wheels.

Wheels and tracks: The wheels are installed at the bottom of the trolley frame and cooperate with the tracks laid on the bridge to achieve the horizontal movement of the trolley.

2. Features

High efficiency: The trolley running mechanism can quickly and accurately complete the horizontal movement of goods or slings, improving work efficiency.

Stability: Through reasonable design and material selection, the stability and safety of the trolley during horizontal movement are guaranteed.

Adaptability: According to different operation requirements, different types of drive devices and transmission devices can be selected to adapt to different working environments.

 

6.Crane wheel

1. Components

Axle: As the core part of the wheel, the axle and the wheel are closely matched to ensure that the wheel can rotate smoothly.

Bearing: Installed on the axle, it reduces the friction between the axle and the wheel and improves the rotation efficiency.

Rim: A circular component around the axle, in direct contact with the track, bearing the weight and movement load of the crane.

Tire: An optional component used to increase the friction between the wheel and the track and improve the stability and safety of the crane.

2. Working principle

Supporting function: The wheel contacts the track through the rim and tire to support the weight of the crane.

Moving function: Driven by the trolley running mechanism, the wheel rolls on the track, driving the entire crane to move along the track direction.

7.Crane Hook

1. The hook body, as the main part of the hook, is usually made of high-strength steel or alloy material, with good load-bearing capacity and wear resistance. The pulley block is installed on the upper part of the hook body and connected to the drum mechanism through a wire rope to change the force direction of the wire rope and reduce the tension. The safety device includes safety card plates, safety pins and other components to prevent the hook from accidentally falling off or being damaged during the lifting process.

2. The hook is connected to the hoisted object through the hook body to realize the lifting and handling of the goods. Driven by the trolley running mechanism and the trolley running mechanism, the hook moves along the track with the crane, driving the goods to move horizontally. Under the action of the lifting mechanism, the hook moves up and down with the retraction and release of the wire rope to realize the vertical lifting of the goods.

3. The hook is made of high-strength material, has good load-bearing capacity, and can withstand large lifting loads. The surface of the hook body has been specially treated and has good wear resistance, so it can be used for a long time without being easily worn. Equipped with safety devices to ensure that the hook will not accidentally fall off or be damaged during the lifting process, thereby improving the safety of the operation.

Motor

1. When the stator winding is energized, a rotating magnetic field is generated, causing the rotor to rotate under the action of the magnetic field. The motor converts electrical energy into mechanical energy and drives the various mechanisms of the crane to work.

2. The motor has high efficiency and can convert most of the input electrical energy into mechanical energy. It is manufactured with high-quality materials and advanced technology, and has good durability and reliability. Different types and powers of motors can be selected according to different working environments and needs.

3. The motor of the Monorail Gantry Crane plays an important role in many fields with its high efficiency, reliability and adaptability. With the continuous advancement of technology and changes in market demand, the motor will continue to develop in the direction of high performance, high safety, environmental protection and energy saving, providing users with more reliable and efficient material handling solutions.

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Sound and light alarm system & limit switch

1. Sound and light alarm system

When the crane has abnormal conditions such as overload, overwinding, overrelease, etc., the sound and light alarm system will immediately send out an alarm signal to remind the operator to pay attention and take corresponding measures. The sound and light alarm system is usually composed of alarms (including buzzers and warning lights), sensors, control circuits and other parts. The sensor is responsible for monitoring the status of the crane. Once an abnormal situation is detected, it will trigger the alarm to send out an alarm signal. The sound and light alarm system has the advantages of strong real-time performance, rapid response, and intuitive and clear, which can effectively improve the safety performance of the crane.

2. Limit switch

The limit switch is mainly used to limit the range of motion of the crane to prevent the crane from exceeding the set range and causing accidents such as collision or overturning. When the crane moves to the set position, the limit switch will cut off the power supply and stop the crane from moving. There are many types of limit switches, including mechanical, electronic, inductive, etc. Mechanical limit switches control the on and off of the power supply through mechanical contacts; electronic limit switches use electronic components to detect the position information of the crane; inductive limit switches use the principle of electromagnetic induction to detect the movement status of the crane.

 

10.Safety Devices

1. Limit switch

Function: The limit switch is mainly used to limit the range of motion of the crane to prevent the crane from exceeding the set range and causing accidents such as collision or overturning. When the crane moves to the set position, the limit switch will cut off the power supply and stop the crane from moving.

Type: There are many types of limit switches, including mechanical, electronic, inductive, etc. Mechanical limit switches control the on and off of the power supply through mechanical contacts; electronic limit switches use electronic components to detect the position information of the crane; inductive limit switches use the principle of electromagnetic induction to detect the movement state of the crane.

2. Overload protector

Function: The overload protector is used to monitor the load of the crane. When the load exceeds the rated value, the overload protector will automatically cut off the power supply to prevent the crane from being damaged or causing accidents due to overload.

Advantages: The overload protector has the advantages of strong real-time performance, rapid response, accuracy and reliability, and can effectively avoid safety accidents caused by overloading of the crane.

3. Windproof device

Function: The windproof device is used to prevent accidents such as overturning or sliding of the crane in strong wind weather. It usually includes rail clamps, anchoring devices and anemometers.

Advantages: Windproof devices can significantly improve the safety performance of cranes in bad weather and reduce the incidence of accidents caused by wind.

4. Buffers and stops

Function: Buffers and stops are used to absorb the impact force and kinetic energy generated during the movement of the crane to prevent the crane from running out of the track or colliding with other objects due to excessive inertia.

Application: Buffers and stops are usually installed at both ends or on the track of the crane, and are used in conjunction with safety devices such as limit switches to improve the safety performance of the crane.

 

11.Control Mode

1. Manual control: Manual control is to control the movement of the crane by the operator directly operating the handle or button. This method is simple and intuitive, and is suitable for small and simple lifting tasks. Manual control is low-cost, easy to maintain, and the operation is simple and easy to understand.

2. Ground control: Ground control is to remotely control the movement of the crane on the ground through devices such as remote controls or joysticks. This method is suitable for lifting tasks of all sizes, especially when the operator cannot directly reach the crane location. Ground control improves the safety and convenience of operation, and the operator can observe and control the movement of the crane in a safer position. At the same time, more sophisticated operations can be achieved through precise control equipment.

3. Cab control: Cab control is to set up a cab on the crane, and the operator controls the movement of the crane through joysticks or buttons in the cab. This method is suitable for large and complex lifting tasks. Cab control provides a good field of view and operating environment, and the operator can observe and control the movement of the crane more intuitively. At the same time, the cab is usually equipped with complete safety protection devices, such as guardrails, seat belts, etc., which improves the safety of operation.

4. Automated control: Automated control is to automatically complete the movement and tasks of the crane through a computer control system. This method is suitable for large-scale, repetitive lifting tasks. Automated control can improve production efficiency and accuracy, reduce human errors and labor costs. At the same time, through programming and optimization algorithms, more complex and efficient lifting tasks can be achieved.

Sketch

 

Main technical

 

 

1. Clear structure: The structure of the Monorail Gantry Crane is relatively simple, mainly composed of the main beam, end beam, electric hoist and other parts. The connection relationship between the parts is clear, which is easy to understand and master.

2. Convenient maintenance: Due to the simple structure, the maintenance of the Monorail Gantry Crane is also relatively easy. The operator can quickly locate the fault point, repair or replace parts, reducing downtime.

3. Low cost: The simple structure not only reduces the manufacturing cost, but also makes the Monorail Gantry Crane have a price advantage in the market, which is a good choice for companies with limited budgets.

4. Good site adaptability: The Monorail Gantry Crane has low site requirements and can be installed and used in a narrow space. It is especially suitable for places with limited space such as workshops and warehouses.

5. Wide material adaptability: Whether it is light or heavy materials, the Monorail Gantry Crane can easily cope with it. By adjusting the lifting weight and span of the electric hoist, it can adapt to the handling needs of materials of different weights and sizes.

6. Strong industry applicability: Monorail Gantry Crane are widely used in many industries such as machinery manufacturing, automobile industry, petrochemical industry, logistics and warehousing, meeting the lifting needs of different fields.

7. High reliability: After strict quality control and test verification, Monorail Gantry Crane have high reliability and stability, and can maintain stable performance during long-term operation.

 

 

1. Material transportation of production lines: In the production workshops of the manufacturing industry, Monorail Gantry Crane are often used for material transportation between production lines. By precisely controlling the movement trajectory and speed of the crane, materials can be transferred quickly and accurately, improving production efficiency.

2. Equipment maintenance and overhaul: When production equipment fails and needs to be repaired or replaced, the Monorail Gantry Crane can quickly lift the equipment and move it to the designated location, which is convenient for maintenance personnel to operate.

3. Waste disposal: Waste and waste generated during the production process also need to be cleaned and disposed of in time. Monorail Gantry Crane can quickly lift and transfer these wastes to the designated waste area to keep the workshop clean and orderly.

4. Goods warehousing and outbound: In the field of logistics warehousing, Monorail Gantry Crane are important tools for cargo loading and unloading. Through the lifting and moving functions of the crane, the rapid warehousing and outbound operations of goods can be realized, improving warehousing efficiency.

5. Lifting of building materials: During the construction process, a large amount of building materials need to be hoisted to the designated location. Monorail Gantry Crane can quickly lift and move building materials to the construction site, providing convenient conditions for construction.

6. Component installation and disassembly: For some large building components, such as steel structures, concrete components, etc., cranes are required for installation and disassembly. Monorail Gantry Crane can be precisely adjusted according to the characteristics and requirements of the components to ensure safe and efficient installation and disassembly.

7. Construction site cleaning: A large amount of waste and garbage will be generated during the construction process, which needs to be cleaned and disposed of in time. Monorail Gantry Crane can quickly lift waste and garbage and transfer them to designated processing areas to keep the construction site clean and orderly.

 

 

 

The production steps of Monorail Gantry Crane are a complex and delicate process involving multiple links and processes. The following is an overview of a typical production process:

1. Design phase

Requirement analysis: Determine the specifications, performance parameters and functional requirements of the crane according to customer needs and the use environment.

Scheme design: Develop a detailed design scheme, including structural design, electrical design, control system design, etc., and perform simulation and optimization.

Drawing: Draw detailed engineering drawings according to the design scheme, including parts drawings, assembly drawings, general assembly drawings, etc.

2. Material preparation

Material procurement: According to the design drawings and material lists, purchase the required raw materials and parts such as steel, motors, reducers, cables, etc.

Material inspection: Strict quality inspection of the purchased materials to ensure that they meet the design requirements and standards.

3. Manufacturing

Cutting and processing: According to the requirements of the drawings, the steel is cut, welded, drilled and other processing is carried out to produce the various parts of the crane.

Assembly and assembly: Assemble and assemble the processed parts according to the requirements of the drawings to form the various components and assemblies of the crane.

Electrical installation: Install electrical components such as motors, controllers, limit switches, and connect and debug the lines.

4. Quality inspection

Appearance inspection: Check the appearance of the crane to ensure that there are no obvious defects and damage.

Performance test: Test the various performances of the crane, including lifting weight, running speed, stability, etc., to ensure that they meet the design requirements and standards.

Safety inspection: Inspect the safety protection devices of the crane, such as limit switches, overload protectors, etc., to ensure that they are safe and reliable.

5. Packing and delivery

Packaging and sorting: Pack and sort the qualified cranes, including cleaning, oiling, rust prevention and other treatments.

Packaging and packing: Pack the crane and its accessories into wooden boxes or containers to ensure that they are not damaged during transportation.

Shipping and transportation: Send the crane to the customer's designated location through logistics channels, and provide necessary installation guidance and after-sales service.

 

 

 

Material Inspection

Quality Inspection: Strict quality inspection is carried out on the purchased raw materials to ensure that they meet the design requirements and national standards.

Material Storage: Qualified materials are stored according to classification to prevent corrosion or damage.

Cutting and Forming

Steel Cutting: Use plasma cutting, laser cutting or flame cutting and other technologies to cut the steel according to the size of the design drawing.

Forming Processing: Form the steel plate through bending, rolling, welding and other processes to manufacture the main beam, end beam and other structural parts.

Welding

Component Welding: The cut and formed steel parts are welded into the main structures such as the main beam, end beam and trolley. The welding process needs to be strictly controlled to ensure the structural strength and welding quality.

Weld Inspection: Use non-destructive testing technology (such as ultrasonic testing, radiographic testing) to inspect the welds to ensure that there are no cracks or other defects.

Machining

Precision Machining: Precision machining is performed on the key components of the crane, such as wheel sets, bearing seats, pulleys, etc., to ensure their dimensional accuracy and surface quality.

Assembly of the whole machine

General assembly: On the basis of pre-assembly, the overall assembly of the crane is carried out, including the final installation of the main beam, end beam, lifting mechanism, walking mechanism, etc.

Commissioning and testing

Under dynamic conditions, the operating performance of the crane is tested, including the testing of lifting, walking, steering and other functions. The overall size of the assembled bridge crane is checked to ensure that all dimensions meet the design requirements.

Spraying and anti-corrosion treatment

Surface treatment Rust removal: Rust removal on the surface of the crane, common methods include sandblasting, pickling, etc. Primer spraying: Spray anti-corrosion primer on the treated surface to prevent metal oxidation and corrosion. Topcoat spraying Color spraying: Spray topcoat according to customer requirements or industry standards to give the crane a protective and decorative effect. Marking: After spraying, mark the crane's identification information in accordance with the specifications, such as model, rated load, etc.

Factory and installation

Packaging and transportation

Packaging protection: Protectively package the key components of the crane to prevent damage during transportation. Transportation arrangement: According to the equipment size and transportation conditions, select a suitable transportation method to transport the crane to the customer's site.

Acceptance and delivery

Customer acceptance

On-site acceptance: The customer conducts on-site acceptance of the crane according to the contract requirements and technical specifications to check the performance and quality of the equipment.

Problem rectification: If any problems are found, the manufacturer needs to rectify them in time to ensure that the equipment fully meets the customer's requirements. Delivery and use Operation training: The manufacturer usually trains the customer's operators to ensure that they can operate the crane correctly and safely.

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